Zafar, Nida Encapsulation of Urea Fertilizer in Fluidized Bed Coater Using Carboxylic Acids as Additives / Nida Zafar - Islamabad: SCME - NUST, 2019. - ix, 64 p.: ill.; 30cm. Hardcover Subjects--Topical Terms: Chemical Engineering - MS Thesis Dewey Class. No.: 660